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Show 542 MR. BOULENGER ON SOUTH-AFRICAN TORTOISES. [Dec. 7, Carapace dark brown, each dorsal and costal plate with four or five yellow rays proceeding from the yellow areolae. Plastron yellow, dark brown in the middle. Near the sources of the Orange River. 5. TESTUDO SMITHI, sp. n. Beak feebly hooked. A large tubercle on the hinder side of the thighs. Lateral marginals not forming an angle with the costals. Nuchal longer than broad. Suture between the gulars nearly as long as that between the anals; suture between the humerals much longer than that between the pectorals or the femorals. Carapace dark brown, with radiating, narrow, yellow, black-ed^ed rays, meeting in the centre of the areolae; plastron yellow, with dark brown rays, the brown predominating in the middle. Length of carapace of aduit 115 millim. A single specimen, with the mere indication " S. Africa." 6. TESTUDO FISKI, sp. n. (Plate LVIII.) Beak feeblv hooked. A laree tubercle on the hinder side of the thigh. Lateral marginals not forming an angle with the costals. Nuchals small, equilateral. Suture between the gulars shorter than that between the anals ; suture between the humerals much longer than that between the pectorals or the femorals. Carapace with brownish-yellow and black rays of nearly equal width, radiating from the yellow areolae; six black rays on each vertebral and costal plate, and two on each marginal ; the anterior and posterior pair of black rays on the costal and vertebral plates meeting their fellows form three series of ocelli. Plastron dirty yellow, brown in the middle. Length of carapace of adult 75 millim. A single male specimen, from De Aar, not far from Hopetown, was presented alive to the Zoological Society by Mr. Fisk. 7. TESTUDO SEMISERRATA, Smith. Beak strongly hooked. A large tubercle on the hinder side of the thighs. Lateral marginals not forming an angle with the costals ; anterior and posterior marginals forming a strongly serrated edge. Nuchal longer than broad. Suture between the gulars as long as, or longer than, that between the anals ; suture between the humerals much longer than that between the pectorals or the femorals. Carapace with brownish-yellow and dark brown or black radiating rays, usually of nearly equal width, six to ten in number on the vertebral and costal plates. Plastron yellowish, with dark brown rays. Carapace of adult 115 millim. Common in the districts between Latakoo and the Tropic of Capricorn. |